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Main Authors: Liu, Bo, Wang, Wu, Li, Yong
Format: Preprint
Published: 2026
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Online Access:https://arxiv.org/abs/2606.00748
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author Liu, Bo
Wang, Wu
Li, Yong
author_facet Liu, Bo
Wang, Wu
Li, Yong
contents The $^{229}$Th nucleus is well known for its exceptionally low-lying nuclear isomeric level, which provides a unique platform for exploring electron-nucleus interactions and gives rise to a variety of rich physical phenomena. One such phenomenon is the hyperfine electronic bridge, which has recently been shown to enable efficient and precise manipulation of the nuclear isomeric levels of $^{229}$Th [W. Wang $et~ al.$, Phys. Rev. Lett. \textbf{133}, 223001 (2024)]. However, that study used the stimulated Raman adiabatic passage method, which requires relatively long operation times. In this work, we employ the stimulated Raman shortcut-to-adiabatic passage method, which dramatically shortens the operation time from the order of hundreds of milliseconds to hundreds of microseconds while maintaining a transfer efficiency of about $79.38\%$.
format Preprint
id arxiv_https___arxiv_org_abs_2606_00748
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Shortcut to Adiabatic Isomeric Population Transfer of the $^{229}\mathrm{Th}$ Nucleus via Hyperfine Electronic Bridge
Liu, Bo
Wang, Wu
Li, Yong
Quantum Physics
The $^{229}$Th nucleus is well known for its exceptionally low-lying nuclear isomeric level, which provides a unique platform for exploring electron-nucleus interactions and gives rise to a variety of rich physical phenomena. One such phenomenon is the hyperfine electronic bridge, which has recently been shown to enable efficient and precise manipulation of the nuclear isomeric levels of $^{229}$Th [W. Wang $et~ al.$, Phys. Rev. Lett. \textbf{133}, 223001 (2024)]. However, that study used the stimulated Raman adiabatic passage method, which requires relatively long operation times. In this work, we employ the stimulated Raman shortcut-to-adiabatic passage method, which dramatically shortens the operation time from the order of hundreds of milliseconds to hundreds of microseconds while maintaining a transfer efficiency of about $79.38\%$.
title Shortcut to Adiabatic Isomeric Population Transfer of the $^{229}\mathrm{Th}$ Nucleus via Hyperfine Electronic Bridge
topic Quantum Physics
url https://arxiv.org/abs/2606.00748